參數(shù)資料
型號(hào)： UPC2771TB-E3
廠商： NEC Corp.
英文描述： 3 V, SUPER MINIMOLD SILICON MMIC MEDIUM OUTPUT POWER AMPLIFIER FOR MOBILE COMMUNICATIONS
中文描述： 3伏，超級(jí)MINIMOLD硅MMIC中功率放大器輸出功率移動(dòng)通信
文件頁數(shù)： 8/28頁
文件大?。?/td> 171K
代理商： UPC2771TB-E3
Data Sheet P12710EJ2V0DS00
8
μ
PC2762TB,
μ
PC2763TB,
μ
PC2771TB
TEST CIRCUIT
V
CC
1 000 pF
1 000 pF
1 000 pF
C
1
C
2
L
4
6
1
2, 3, 5
50
50
OUT
IN
C
3
COMPONENTS OF TEST CIRCUIT
FOR
MEASURING ELECTRICAL
CHARACTERISTICS
EXAMPLE OF ACTUAL APPLICATION COMPONENTS
Type
Value
Type
Value
Operating Frequency
C
1
, C
2
Bias Tee
1 000 pF
C
1
to C
3
Chip capacitor
1 000 pF
100 MHz or higher
C
3
Capacitor
1 000 pF
L
Chip inductor
100 nH
100 MHz or higher
L
Bias Tee
1 000 nH
10 nH
2.0 GHz or higher
INDUCTOR FOR THE OUTPUT PIN
The internal output transistor of this IC consumes 20 mA, to output medium power. To supply current for output
transistor, connect an inductor between the Vcc pin (pin 6) and output pin (pin 4). Select large value inductance, as
listed above.
The inductor has both DC and AC effects. In terms of DC, the inductor biases the output transistor with minimum
voltage drop to output enable high level. In terms of AC, the inductor make output-port-impedance higher to get
enough gain. In this case, large inductance and Q is suitable.
For above reason, select an inductance of 100
or over impedance in the operating frequency. The gain is a
peak in the operating frequency band, and suppressed at lower frequencies.
The recommendable inductance can be chosen from example of actual application components list as shown
above.
CAPACITORS FOR THE V
CC
, INPUT, AND OUTPUT PINS
Capacitors of 1 000 pF are recommendable as the bypass capacitor for the Vcc pin and the coupling capacitors
for the input and output pins.
The bypass capacitor connected to the Vcc pin is used to minimize ground impedance of Vcc pin. So, stable bias
can be supplied against Vcc fluctuation.
The coupling capacitors, connected to the input and output pins, are used to cut the DC and minimize RF serial
impedance. Their capacitance are therefore selected as lower impedance against a 50
load. The capacitors thus
perform as high pass filters, suppressing low frequencies to DC.
To obtain a flat gain from 100 MHz upwards, 1 000 pF capacitors are used in the test circuit. In the case of under
10 MHz operation, increase the value of coupling capacitor such as 10 000 pF. Because the coupling capacitors are
determined by equation, C = 1/(2
π
Rfc).
相關(guān)PDF資料
PDF描述
UPC2763T 3 V, 2.9 GHz SILICON MMIC MEDIUM OUTPUT POWER AMPLIFIER FOR MOBILE COMMUNICATIONS
UPC8182TB-E3-AZ 3 V, 2.9 GHz SILICON MMIC MEDIUM OUTPUT POWER AMPLIFIER FOR MOBILE COMMUNICATIONS
UPC8182TB 3 V, 2.9 GHz SILICON MMIC MEDIUM OUTPUT POWER AMPLIFIER FOR MOBILE COMMUNICATIONS
UPC2771T 3 V, 2.9 GHz SILICON MMIC MEDIUM OUTPUT POWER AMPLIFIER FOR MOBILE COMMUNICATIONS
UPC8182TB-E3 3 V, 2.9 GHz SILICON MMIC MEDIUM OUTPUT POWER AMPLIFIER FOR MOBILE COMMUNICATIONS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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UPC2771TB-EVAL 功能描述:放大器 IC 開發(fā)工具 For UPC2771TB-A RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
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